This year at OHMS all teachers will be using the following grading scale.
| SBG Score Range | Percentage Range | Letter Grade | |||
| 4.00 - 3.50 | 100% - 87.5% | A | |||
| 3.49 - 3.00 | 87.49% - 75% | A- | |||
| 2.99 - 2.7 | 74.99% - 67.5% | B+ | |||
| 2.69 - 2.4 | 67.49% - 60% | B | |||
| 2.39 - 2.2 | 59.99% - 55% | B- | |||
| 2.19 - 2.00 | 54.99 - 50% | C+ | |||
| 1.99 - 1.8 | 49.99% - 45% | C | |||
| 1.79 - 1.6 | 44.99 - 40% | C- | |||
| 1.59 - 1.4 | 39.99% - 35% | D+ | |||
| 1.39 - 1.2 | 34.99% - 30% | D | |||
| 1.19 - 1 | 29.99% - 25% | D- | |||
| .99 - 0 | 24.99% - 0% | F |